2 * $Id: cnid_tdb_open.c,v 1.6 2009-11-24 12:18:20 didg Exp $
4 * Copyright (c) 1999. Adrian Sun (asun@zoology.washington.edu)
5 * All Rights Reserved. See COPYRIGHT.
12 #ifdef CNID_BACKEND_TDB
13 #include <sys/param.h>
16 #include <atalk/logger.h>
18 #define DBHOME ".AppleDB"
19 #define DBHOMELEN 9 /* strlen(DBHOME) +1 for / */
21 #define DBCNID "cnid2.tdb"
23 #define DBVERSION_KEY "\0\0\0\0Version"
24 #define DBVERSION_KEYLEN (sizeof(DBVERSION_KEY))
25 #define DBVERSION2 0x00000002U
26 #define DBVERSION DBVERSION2
28 static struct _cnid_db *cnid_tdb_new(const char *volpath)
31 struct _cnid_tdb_private *priv;
33 if ((cdb = (struct _cnid_db *) calloc(1, sizeof(struct _cnid_db))) == NULL)
36 if ((cdb->volpath = strdup(volpath)) == NULL) {
41 if ((cdb->_private = calloc(1, sizeof(struct _cnid_tdb_private))) == NULL) {
47 /* Set up private state */
48 priv = (struct _cnid_tdb_private *) (cdb->_private);
50 /* Set up standard fields */
51 cdb->flags = CNID_FLAG_PERSISTENT;
53 cdb->cnid_add = cnid_tdb_add;
54 cdb->cnid_delete = cnid_tdb_delete;
55 cdb->cnid_get = cnid_tdb_get;
56 cdb->cnid_lookup = cnid_tdb_lookup;
57 cdb->cnid_nextid = NULL; /*cnid_tdb_nextid;*/
58 cdb->cnid_resolve = cnid_tdb_resolve;
59 cdb->cnid_update = cnid_tdb_update;
60 cdb->cnid_close = cnid_tdb_close;
65 /* ---------------------------- */
66 struct _cnid_db *cnid_tdb_open(const char *dir, mode_t mask, u_int32_t flags _U_)
70 struct _cnid_tdb_private *db;
72 char path[MAXPATHLEN + 1];
79 if ((len = strlen(dir)) > (MAXPATHLEN - DBLEN - 1)) {
80 LOG(log_error, logtype_default, "tdb_open: Pathname too large: %s", dir);
84 if ((cdb = cnid_tdb_new(dir)) == NULL) {
85 LOG(log_error, logtype_default, "tdb_open: Unable to allocate memory for tdb");
89 if (path[len - 1] != '/') {
94 strcpy(path + len, DBHOME);
95 if ((stat(path, &st) < 0) && (ad_mkdir(path, 0777 & ~mask) < 0)) {
96 LOG(log_error, logtype_default, "tdb_open: DBHOME mkdir failed for %s", path);
101 db = (struct _cnid_tdb_private *)cdb->_private;
103 path[len + DBHOMELEN] = '\0';
104 strcat(path, DBCNID);
105 db->tdb_cnid = tdb_open(path, 131071, 0 , O_RDWR | O_CREAT, 0666 & ~mask);
107 LOG(log_error, logtype_default, "tdb_open: unable to open tdb", path);
111 db->tdb_didname = db->tdb_cnid;
112 db->tdb_devino = db->tdb_cnid;
114 /* Check for version. This way we can update the database if we need
115 * to change the format in any way. */
116 memset(&key, 0, sizeof(key));
117 memset(&data, 0, sizeof(data));
118 key.dptr = DBVERSION_KEY;
119 key.dsize = DBVERSION_KEYLEN;
121 data = tdb_fetch(db->tdb_didname, key);
123 u_int32_t version = htonl(DBVERSION);
125 data.dptr = (char *)&version;
126 data.dsize = sizeof(version);
127 if (tdb_store(db->tdb_didname, key, data, TDB_REPLACE)) {
128 LOG(log_error, logtype_default, "tdb_open: Error putting new version");
147 struct _cnid_module cnid_tdb_module = {
151 CNID_FLAG_SETUID | CNID_FLAG_BLOCK